tests/posixexp.tests

   1 unset a
   2 printf "%s\n" ${a:=a\ b}
   3 echo "$a"
   4
   5 unset v
   6 recho ${v=a\ b} x ${v=c\ d}
   7
   8 unset v
   9 recho "${v=a\ b}" x "${v=c\ d}"
  10
  11 unset a v
  12
  13 recho "foo ${IFS+'bar'} baz"
  14 recho "a ${IFS+b  c} d"
  15
  16 recho "a ${IFS+"b  c"} d"
  17
  18 u=x
  19 recho "foo ${IFS+a$u{{{\}b} c ${IFS+d{}} bar" ${IFS-e{}} baz
  20
  21 a=foo
  22 recho "${IFS+'$a'}"
  23 recho "${IFS+"'$a'"}"
  24
  25 recho ${IFS+'$a'}
  26 recho ${IFS+"'$a'"}
  27
  28 unset a u
  29 x='foo*bar'
  30
  31 recho "${x##"}"}"
  32 recho "${x##'}'}"
  33 recho "${x##'}"
  34
  35 recho "${x:-'}'}"
  36
  37 foo="x'a'y"
  38 recho "${foo%*'a'*}"
  39 unset x
  40
  41 unset u
  42 v=w
  43 printf '<%s> ' ${u+x} . ${v+x} . "${u+x}" . "${v+x}" .; echo
  44 printf '<%s> ' ${u-x} . ${v-x} . "${u-x}" . "${v-x}" .; echo
  45 printf '<%s> ' ${u=x} . ${v=x} . "${u=x}" . "${v=x}" .; echo
  46 printf '<%s> ' ${u?x} . ${v?x} . "${u?x}" . "${v?x}" .; echo
  47 printf '<%s> ' ${u#x} . ${v#x} . "${u#x}" . "${v#x}" .; echo
  48 printf '<%s> ' ${u%x} . ${v%x} . "${u%x}" . "${v%x}" .; echo
  49 printf '<%s> ' ${u:+x} . ${v:+x} . "${u:+x}" . "${v:+x}" .; echo
  50 printf '<%s> ' ${u:-x} . ${v:-x} . "${u:-x}" . "${v:-x}" .; echo
  51 printf '<%s> ' ${u:=x} . ${v:=x} . "${u:=x}" . "${v:=x}" .; echo
  52 printf '<%s> ' ${u:?x} . ${v:?x} . "${u:?x}" . "${v:?x}" .; echo
  53 # these are invalid substitution operators
  54 #printf '<%s> ' ${u:#x} . ${v:#x} . "${u:#x}" . "${v:#x}" .; echo
  55 #printf '<%s> ' ${u:%x} . ${v:%x} . "${u:%x}" . "${v:%x}" .; echo
  56
  57 unset foo
  58 set -o posix
  59
  60 recho "${IFS+'bar}"
  61 recho "foo ${IFS+'bar} baz"
  62
  63 recho ${IFS+'}'z}
  64 recho "${IFS+'}'z}"
  65
  66 : ${TMPDIR:=/var/tmp}
  67 rm -f $TMPDIR/sh
  68 cp ${THIS_SH} $TMPDIR/sh
  69 THIS_SH=$TMPDIR/sh ${THIS_SH} ./posixexp1.sub || echo "sh posixexp1.sub: test $? failed"
  70 ${THIS_SH} ./posixexp1.sub || echo "bash posixexp1.sub: test $? failed"
  71
  72 THIS_SH=$TMPDIR/sh ${THIS_SH} ./posixexp2.sub || echo "sh posixexp2.sub: test $? failed"
  73 rm -f $TMPDIR/sh
  74
  75 # this will be an error
  76 foo=bar
  77 echo "${foo:-"a}"